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authorMaxime Ripard <maxime.ripard@free-electrons.com>2014-07-01 11:33:16 +0200
committerNicolas Ferre <nicolas.ferre@atmel.com>2014-09-02 18:52:22 +0200
commit2d7fdbe23c990a843177e3bff9a093d2f5fa4e02 (patch)
tree73a2cd1803d3bc92dccdc0955ceb3eaa68bc8a05 /arch/arm/mach-at91/at91sam926x_time.c
parent1bd59dbe53d9913420ae751d0447e769fd22cbf5 (diff)
ARM: at91: PIT: Use DIV_ROUND_CLOSEST to compute the cycles
Until now, the pit_cycle computation was dividing the rate by HZ, rounding to the closest integer, but without using the appropriate macro. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Boris BREZILLON <boris.brezillon@free-electrons.com> Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com> Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org> Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Diffstat (limited to 'arch/arm/mach-at91/at91sam926x_time.c')
-rw-r--r--arch/arm/mach-at91/at91sam926x_time.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-at91/at91sam926x_time.c b/arch/arm/mach-at91/at91sam926x_time.c
index fd3170b65fbb..2e6f1a37ab90 100644
--- a/arch/arm/mach-at91/at91sam926x_time.c
+++ b/arch/arm/mach-at91/at91sam926x_time.c
@@ -252,7 +252,7 @@ void __init at91sam926x_pit_init(void)
if (IS_ERR(mck))
panic("AT91: PIT: Unable to get mck clk\n");
pit_rate = clk_get_rate(mck) / 16;
- pit_cycle = (pit_rate + HZ/2) / HZ;
+ pit_cycle = DIV_ROUND_CLOSEST(pit_rate, HZ);
WARN_ON(((pit_cycle - 1) & ~AT91_PIT_PIV) != 0);
/* Initialize and enable the timer */